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首页> 外文期刊>The European journal of neuroscience. >The effects of transcranial direct current stimulation on corticospinal excitability: A systematic review of nonsignificant findings
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The effects of transcranial direct current stimulation on corticospinal excitability: A systematic review of nonsignificant findings

机译：The effects of transcranial direct current stimulation on corticospinal excitability: A systematic review of nonsignificant findings

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Abstract Transcranial direct current stimulation (tDCS) is a non‐invasive brain stimulation technique that can modulate brain activity through the application of low‐intensity electrical currents. Based on its reported effects on corticospinal excitability (CSE), tDCS has been used to study cognition in healthy individuals and reduce symptoms in a variety of clinical conditions. Despite its increasing popularity as a research and clinical tool, high interindividual variability has been reported in the response to protocols using transcranial magnetic stimulation (TMS) to assess tDCS‐induced changes in CSE leading to several nonsignificant findings. In this systematic review, studies that reported no significant modulation of CSE following tDCS were identified from PubMed and Embase (Ovid) databases. Forty‐three articles were identified where demographic, TMS and tDCS parameters were extracted. Overall, stimulation parameters, CSE measurements and participant characteristics were similar to those described in studies reporting positive results and were likewise heterogeneous between studies. Small sample sizes and inadequate blinding were notable features of the reviewed studies. This systematic review suggests that studies reporting nonsignificant findings do not markedly differ from those reporting significant modulation of CSE.

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